Home / 134,779.10-202,132.20-40,009.10

Finding the Fourth Proportional to 134,779.10, 202,132.20 and 40,009.10

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Solution

The fourth proportional to 134,779.10, 202,132.20 and 40,009.10 is: 60,002.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,779.10 : 202,132.20 = 40,009.10 : x
  2. Step 2: Convert to fraction form
    134,779.10/202,132.20 = 40,009.10/x
  3. Step 3: Cross multiply
    134,779.10x = 202,132.20 × 40,009.10
  4. Step 4: Simplify right side
    134,779.10x = 8,087,127,403.02
  5. Step 5: Solve for x
    x = 8,087,127,403.02/134,779.10
  6. Step 6: Final answer
    x = 60,002.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.